The Pastoral is not an overture. Beethoven wrote Symphony no. 6 in F major, also known as the Pastoral Symphony, in 1808.
The Egmont Overture Op 84 is one of a series of pieces composed between October 1809 and June 1810.
The Prometheus Overture Op 43 precedes the Prometheus Ballet, and was written in 1801.
The Coriolan Overture Op 62 was written in 1807.